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calculate the molarity of acetic acid in a vinegar sample knowing that 5.00 mL of vinegar requires 43.50mL of 0.105M NaoH to just reach the phenolphtalein endpoint in a tritration.
The reaction of 0.130 moles of a metal with an acidic aqueous solution in a calibrated calorimeter causes the temperature to increase by 49.0°C.
how many grams of NO2 will be produced when 2.0 L of nitrogen at 840 mmHg and 24 C are completely reacted N2+2 O2-----2 NO2
Solid aluminum metal and diatomic chlorine gas react spontaneously to form a solid product. Give the balanced chemical equation (including phases) that describes this reaction.
Using all the inorganic reactants neccessary and only CH3I and acetylene as carbon based compounds, make (2S,3R)-2,3-butanediol. Show both a retrosynthesis and forward synthesis.
A ground state hydrogen atom absorbs a photon of light having a wavelength of 92.085 nm it then gives off a photon having a wavelength of 902 nm. what is the final state of the hydrogen atom
The rate constant for the reaction 2A ? 2B + C is 1.72 M -1min-1. Find the time, in seconds, needed to decrease the concentration of A from2.45 M to 1.22 M.
Determine how many moles each of Na+ and Cl- are in 0.700 L of the saline solution (A physiological saline solution contains 167 mEq/L each of Na+ and Cl-.)?
Write the reaction equation showing structural formulas for the formation of an ester from 2-methyl-1-butanol and acetic acid?
An unknown metal weighing 13.11 g at a temperature of 81.0*C is placed in a calorimeter containing 25.0 mL of water at a temperature of 25.0*C. The final equilibrium temperature is 30.0*C. What is the specific heat of the metal?
a system absorbs 192 kj of heat and the surroundings do 110 kj of work on the system. what is the change in internal
I understand that the height of a peak in NMR spectroscopy indicates the number of identical hydrogens in that particular group. But what does it mean when peak height is measured in non-H units lacking a common denominator
calculate the final concentration of the solution in each of the following: a)water added to 10.0 mL of a 3.50 M KNO3 solution gives a volume of .250 L. b)a 5.00-mL sample of a 18.0 M sucrose solution is diluted with water to 100
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